ext4: enable ext4 inline support

Signed-off-by: Tao Ma <[email protected]> Signed-off-by: "Theodore Ts'o" <[email protected]>
yalong0424 · Dec 10, 2012 · f08225d · f08225d
1 parent 0c8d414
commit f08225d
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
@@ -1529,7 +1529,8 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei)
 					 EXT4_FEATURE_INCOMPAT_EXTENTS| \
 					 EXT4_FEATURE_INCOMPAT_64BIT| \
 					 EXT4_FEATURE_INCOMPAT_FLEX_BG| \
-					 EXT4_FEATURE_INCOMPAT_MMP)
+					 EXT4_FEATURE_INCOMPAT_MMP |	\
+					 EXT4_FEATURE_INCOMPAT_INLINE_DATA)
 #define EXT4_FEATURE_RO_COMPAT_SUPP	(EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \
 					 EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \
 					 EXT4_FEATURE_RO_COMPAT_GDT_CSUM| \

diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
@@ -902,6 +902,10 @@ struct inode *ext4_new_inode(handle_t *handle, struct inode *dir, umode_t mode,
 
 	ei->i_extra_isize = EXT4_SB(sb)->s_want_extra_isize;
 
+	ei->i_inline_off = 0;
+	if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_INLINE_DATA))
+		ext4_set_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA);
+
 	ret = inode;
 	dquot_initialize(inode);
 	err = dquot_alloc_inode(inode);